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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: Is there a free version of Forth that uses the exact same words as "Starting Forth" on Forth Inc.'s site?
Date: Sun, 09 Apr 2017 13:50:00 -0700
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anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:
> On a 4GHz Core i5-6600k, without parallel make (i.e., pretty much
> using only one core):
>
> time ./BUILD-FROM-SCRATCH
> ...
> real    0m55.657s
> user    0m47.832s
> sys     0m1.880s

Hmm, is ./BUILD-FROM-SCRATCH the right way to build gforth?  I had been
using "./configure; ./make" and getting successful builds some of the
time, errors at others.

I just tried ./BUILD-FROM-SCRATCH and got:

    make: *** No rule to make target 'doc/gforth.ds', needed by 'doc/gforth.texi'.
    Stop.

after about 20 seconds.  This is from the Gforth 0.7.2 in the Debian 8
source repository.

(Added) With the 0.7.3 tarball from your TU-Wien site and after
installing texlive, ./BUILD-FROM-SCRATCH took about 36 sec on both an
i7-3770 and 40 sec on an E3-1230v3, both of which should be a little
slower on 1 core than your i5-6600K.  I wonder why it builds faster on
the slower machines.  I'm using GCC 6 if that might be te difference

Also, does parallel make mess anything up?

Thanks.